
A Codex Skill for building and iterating games
GameReverie is an open-source Codex Skill for taking a game from idea to first playable and through ongoing iteration. It separates design, implementation, and independent review, preserves project decisions across sessions, and turns playtest feedback into follow-up work. Guide development yourself or delegate a bounded goal. Developed with GPT-6 Astra, with a playable Snake demo and development records. Free and MIT-licensed.
GameReverie is an open-source Codex Skill designed to facilitate game development from concept to playable iteration, incorporating design, implementation, and review processes. It is developed with GPT-6 Astra and is available for free under the MIT license.
Scored deterministically. Only candidates that fire a story trigger are sent to a model, so this one has no written angle.
Gaps in our data, not findings about the product. Their weight is redistributed across the 5 we did measure.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.